11319071 has 4 divisors (see below), whose sum is σ = 11340312. Its totient is φ = 11297832.

The previous prime is 11319067. The next prime is 11319073. The reversal of 11319071 is 17091311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11319071 - 2² = 11319067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11319073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9800 + ... + 10893.

It is an arithmetic number, because the mean of its divisors is an integer number (2835078).

Almost surely, 2^11319071 is an apocalyptic number.

11319071 is a deficient number, since it is larger than the sum of its proper divisors (21241).

11319071 is an equidigital number, since it uses as much as digits as its factorization.

11319071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21240.

The product of its (nonzero) digits is 189, while the sum is 23.

The square root of 11319071 is about 3364.3827071247. The cubic root of 11319071 is about 224.5278725585.

The spelling of 11319071 in words is "eleven million, three hundred nineteen thousand, seventy-one".